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TH2DE.h

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#ifndef G4DataHelpers_TH2DE_H
#define G4DataHelpers_TH2DE_H






#include "G4DataHelpers/ITouchableToDetectorElement.h"
#include "GaudiAlg/GaudiTool.h"

#include <string>
#include <vector>
#include <map>

class TH2DE : public GaudiTool, virtual ITouchableToDetectorElement
{
public:
    TH2DE(const std::string& type,
         const std::string& name,
         const IInterface* parent);
    virtual ~TH2DE();

    virtual StatusCode GetBestDetectorElement(const G4TouchableHistory* inHistory,
                                              const std::vector<std::string>& /*ignored*/,
                                              const IDetectorElement* &outElement,
                                              int& outCompatibility);
  
    virtual StatusCode G4VolumeToDetDesc(const G4VPhysicalVolume* inVol,
                                         const IPVolume* &outVol);
 
    virtual StatusCode ClearCache();

private:

    typedef std::pair<std::string,std::string> LvPvPair_t;
    typedef std::vector<LvPvPair_t> NameHistory_t;
    typedef std::vector<G4VPhysicalVolume*> TouchableHistory_t;
    typedef std::map<TouchableHistory_t,const IDetectorElement*> THCache_t;
    typedef std::map<const G4VPhysicalVolume*,const IPVolume*> PVCache_t;
    THCache_t m_THcache;
    PVCache_t m_PVcache;


    const IDetectorElement* FindChildDE(const IDetectorElement* de, NameHistory_t& name_history);
    const IDetectorElement* FindDE(const IDetectorElement* de, NameHistory_t& name_history);
    int InHistory(const IDetectorElement* de, const NameHistory_t& name_history);

    const IDetectorElement* CheckCache(const G4TouchableHistory* g4hist);

};


#endif  // G4DataHelpers_TH2DE_H

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